/*
 * Copyright 2006 Mark Bakker <mark.bakker AT gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.gwtsvg.client.basicshapes;

import org.gwtsvg.client.BasicShape;
import org.gwtsvg.client.Coordinate;
import org.gwtsvg.client.SVGPanel;
import org.gwtsvg.client.dom.ExtDOM;

/**
 * SVG circle.
 */
public class Circle extends BasicShape {

  private Coordinate coordinate = null;

  private double radius;

  public Circle(Coordinate coordinate, double radius) {
    super(ExtDOM.createElementNS(SVGPanel.DEFAULT_NAMESPACE, "circle"));

    this.setCoordinate(coordinate);
    this.setRadius(radius);
  }

  /**
   * getter for the coordinate
   *
   * @return Coordinate
   */
  public Coordinate getCoordinate() {
    return coordinate;
  }

  /**
   * getter for the radius
   * @return double - radius
   */
  public double getRadius() {
    return radius;
  }

  /**
   * The x-axis coordinate of the center of the circle. If the attribute is not
   * specified, the effect is as if a value of "0" were specified.
   *
   * @param x the x-axis coordinate
   */
  public void setCoordinate(Coordinate coordinate) {
    this.coordinate = coordinate;
    setAttributeNS(getElement(), "cx", coordinate.getCoordX());
    setAttributeNS(getElement(), "cy", coordinate.getCoordY());
  }

  /**
   * The radius of the circle.
   *
   * @param radius the radius of the circle
   */
  public void setRadius(double radius) {
    this.radius = radius;
    setAttributeNS(getElement(), "r", radius + "px");
  }

}
